The DB9 PhonePatch is a simple device with a standard RJ11 telephone input jack and an output cable terminating at two RCA plugs. A 600 ohm audio transformer isolates the input from the output reducing the possibility of hum and noise, and will not keep the telephone line open.

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Specs

Applications for the DB9 include broadcast, conference rooms, phone training, or wherever a phone conversation needs to be recorded or heard over a PA system.